MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure related to a "Kaufland flyer" and includes numerous links. A critical heuristic identified a malicious redirector link pointing to `https://ttraff.cc/pify?keyword=kaufland+let%25C3%25A1k+v+pdf`, indicating a phishing or scam attempt. The document also contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or SEO abuse tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=kaufland+let%25C3%25A1k+v+pdf In PDF document text
- http://files.oneburgh.com/uploads/1/3/2/7/132740723/f43c72ddc39.pdfIn PDF document text
- http://files.blainevdg.com/uploads/1/3/2/7/132740665/fulajusomatamaxopiwe.pdfIn PDF document text
- http://files.stpetersharbourlighthouse.com/uploads/1/3/1/4/131453574/4647872.pdfIn PDF document text
- http://files.quickdrawcustomgraphics.com/uploads/1/3/2/6/132681985/sovos_toxodamibajijuj_deketefufiduke_doxozijiji.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/grade_7_math_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/vebafusiwowuzovajuvixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5293/3024/files/sosetozabaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1997/6350/files/xufajeneli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5351/3880/files/xusogidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4392/8726/files/archenemies_marissa_meyer_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1994/3579/files/82336010218.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8567/4149/files/petrografi_batuan_sedimen_klastik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0532/9064/files/65408850548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1905/7822/files/binofepisox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9246/7109/files/6081861998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/pharmacotherapy_casebook_10th_edition_answers.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000686a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x686A | 5088 bytes |
SHA-256: cb1e816ac651442c6adb6222709cfda056e5290748fb448cc529045e0b806895 |
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font_01_sfnt_off0000794e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794E | 11864 bytes |
SHA-256: 4f1de01f936ea1ee5b083fde8b06820bb1c4e37df2c0b4fbdc91aec2f4abdf7e |
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